Archaeology

Long Colorful Strip

动态规划 DP · 搜索 · 记忆化搜索 · 区间 DP · 树形 DP

Short Colorful Strip

动态规划 DP · 搜索 · 记忆化搜索

The Awesomest Vertex

KTT / Kinetic Tournament Tree

Stock Exchange

Valeriy and Deque

模拟

Tolik and His Uncle

Serge and Dining Room

线段树

Fedor Runs for President

Alesya and Discrete Math

Alex and a Rhombus

Nick and Array

数学 · 贪心

Chunga-Changa

Split a Number

Flag

Irrigation

A Story of One Country (Hard)

A Story of One Country (Easy)

Filling Shapes

动态规划 DP · 数学

Plus from Picture

Beautiful Lyrics

贪心

Complete Mirror

Product Oriented Recurrence

Maximum Sine

数学 · 数论

Nearest Interesting Number

Equalize Prices

Computer Game

Candy Box (easy version)

Subsequences (easy version)

Topforces Strikes Back

Candy Box (hard version)

Subsequences (hard version)

Heidi Learns Hashing (Hard)

Heidi Learns Hashing (Medium)

Heidi Learns Hashing (Easy)

The Doctor Meets Vader (Hard)

The Doctor Meets Vader (Medium)

The Doctor Meets Vader (Easy)

Heidi and the Turing Test (Hard)

Heidi and the Turing Test (Medium)

Heidi and the Turing Test (Easy)

Parallel Universes (Hard)

Parallel Universes (Easy)

Daleks' Invasion (hard)

生成树 · 树链剖分

Daleks' Invasion (medium)

倍增 · 生成树 · 树链剖分

Daleks' Invasion (easy)

生成树

Ropewalkers

Email from Polycarp

Exam in BerSU (hard version)

Exam in BerSU (easy version)